body {
    position: relative;
}
.section {
    color: #fff;
    background:url("../img/star.jpg");
    background-size: cover;
    background-repeat: no-repeat;
}


/*      导航    */
.my-nav a{
    text-decoration: none;
    outline: none;
    color: #ffffff;
    text-align: center;
}
.nav-link{
    line-height: 5px !important;
    margin-top: 15px;
    height: 35px;
    width: 125px;
    margin-left: 10px;
}
.nav-link:link{
    background-color:transparent !important;
}
.nav-link:hover{
    background-color:transparent !important;
    border: .5px solid #ffffff;
    border-radius: 25px;
}
.navbar-brand{
    padding-left: 150px;
    line-height: 20px;
}

.active a{
    border: .5px solid #ffffff;
    border-radius: 25px;
}